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FOC | Family List | FOC Vol. 11 | Polygalaceae | Xanthophyllum

1. Xanthophyllum oliganthum C. Y. Wu, Acta Bot. Yunnan. 2: 75. 1980.

少花黄叶树 shao hua huang ye shu

Shrubs to small trees, 2-4 m tall. Young branches slender, glabrous. Petiole yellow-brown, ca. 5 mm; leaf blade greenish, elliptic, 11-14 × 2.5-5 cm, thickly papery, both surfaces glabrous, midvein raised on both surfaces, lateral veins 6 or 7 pairs, raised abaxially, anastomosing near margin, tertiary veins parallel, veinlets reticulate, base cuneate, margin slightly undulate when dry, apex caudate-acuminate, acumen to 3 cm. Racemes or panicles terminal or axillary, ca. 4 cm, few flowered; pedicels 4-7 mm, slender, densely white pubescent. Sepals pubescent outside; outer 3 oblong, ca. 5 × 5 mm, ciliate; inner 2 suborbicular, ca. 5 mm wide. Petals yellow-white, nearly equal, 1-1.2 cm, keel white pubescent at base outside. Stamens 8, 5 adherent at base of petals, other 3 free; filaments inflated in lower part, pubescent; anthers ovoid-sagittate, ca. 1 mm, slightly furcate at base. Disk discoid. Ovary ovoid, with stalk, 1.5-2 mm in diam., glabrous; style ca. 9 mm, densely yellow-white pubescent; stigma slightly lobed. Drupe 2-3 cm in diam. Seed deep blue-green, compressed globose, ca. 1.6 cm in diam.; endosperm absent; cotyledon plump. Fl. and fr. Apr.

● Dense forests, mixed forests of bamboos and trees in valleys; 200-300 m. SE Yunnan.


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